Unverified85% confidenceDecision RuleTime unknown
热效率是能耗关键指标:燃气灶一级能效热效率≥63%,二级≥59%,选一级能效每年可省约10%燃气费,长期使用差异明显
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85%
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Long-term
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Unverified热负荷高≠热效率高,国标一级能效要求热效率≥63%(台式)或≥59%(嵌入式);同样火力下高热效率灶更省气且锅底受热更集中89% similarUnverified灶具热效率国家一级能效标准为≥63%(台式)和≥59%(嵌入式),选购时优先看能效标识达一级,二级及以下浪费燃气87% similarUnverified热效率≥63%可申请一级能效,日常爆炒建议选热负荷≥4.0kW的大火力灶眼,通常聚能不聚焰的直喷式炉头比引射式火力更集中85% similarUnverified国标一级能效燃气灶热效率≥63%(台式)或≥59%(嵌入式),选购认准能效标识一级,比二级省气约10%84% similarUnverified国标一级能效燃气灶热效率≥63%(天然气)或≥62%(液化气),二级为59%,选购认准能效标识,一级比二级每年省气10%以上83% similar
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